8 System Setup
8.23Safety Logic Circuit
8-201
182582-1CD
182582-1CD
MH900, DX200 Controller
8.23.2  Set up the Safety Logic Circuit
In order to set up the safety logic circuit, the security mode needs to be 
changed to safety mode. Before creating the safety logic circuit, the 
following procedures need to be set in the window as shown below. 
• M-SAFETY SIGNAL ALLOC
• SAFETY SIG. BOARD ALLOC
(displayed when the optional safety field bus function is valid)
• TIMER DELAY SET
(need to be set when using the timer delay)
These items above are displayed by selecting the {SAFETY FUNC.} in the 
main menu. The setup information is written in the file. 
8.23.2.1  Changing the Security Mode
1. Displaying the window. 
– Select {SECURITY} from {SYSTEM INFO} in the main menu.
2. Change to the safety mode.
– Select {SAFETY MODE}.